1.条形统计图，折线统计图，扇形统计图2.68.63.略4.D5.B
【2022年七年级下册暑假作业本答案 2022七年级暑假作业本各科答案】6.略7.(1)观察记录(2)略
(十)
1.(1)20%(2)102.6515.23.A4.D5.(1)a+1.6(2)5月3号最多，5月7号最少，他们相差1.4万人(3)略
(十一)
1.102.153.B4.C5.D6.D7.略8.D9.略
10.线段AC、BD的交点即为蓄水池P的位置11.1，3，6，10(1)45
(2)
(十二)
1.360，1802.CD、EF、GH3.504.C5.C6.D7.D
8.(1)32°15′36〃(2)35.43°(3)240分，4度(4)56°20′9.α=80°，β=100°
10.略11.(1)∠COD=25°，∠BOD=155°(2)略
(十三)
1.B2.C3.D4.C5.D6.B7.A8.C9.A10.B
11.±212.略13.-，414.∠COD与∠DOE15.816.happybirthday17.318.-6x19.(1)200(2)4020.3n+2
(十四)
1.(1)-4(2)-232.(1)y=1(2)ab=-6(3)①x=;②a=3.略
4.略5.略
(十五)
1.6，AD、AE、DE，∠ADE、∠AED、∠DAE，AE，△FCB2.15厘米或18厘米，35厘米
3.107°4.58°，38°5.D6.D7.C8.B9.B10.4厘米与6厘米或5厘米与5厘米，5厘米与10厘米11.20°12.略
(十六)
1.122.1003.104.1405.406.90°7.0.98.(1)37.5°
(2)97.5°9.(1)(90+x)°(2)(90-x)°(3)x°
(十七)
1.D2.D3.D4.SAS5.86.略7.5厘米8.略
(十八)
1.D2.D3.B4.A5.C6.早7.58.59.略
10.(3)311.b(a-1)
(十九)
1.B2.C3.3∶14.305.126.1007.略8.(1)点A，45°
(2)AE(3)2平方厘米
(二十)
1.B2.B3.D4.，5.6.略7.(1)不确定事件
(2)必然事件(3)不可能事件(4)不确定事件8.略
(二十一)
1.A2.D3.C4.略5.6.7.，5
8.7.59.(1)(2)(3)(4)10.
11.12.-1
(二十二)
1.2.3.C4.C5.A6.笔记本每本2元，钢笔每支4元7.方案一：630000元，方案二：725000元，方案三：810000元，所以选择方案三
8.略
(二十三)
1.A2.D3.B4.B5.A6.(1)5a(2)6a2(3)(4)a5
(5)a(6)9a2b47.27，368.(1)16x4y12(2)a4b3(3)x2y(4)36(5)(6)(3x+2y)59.-12a4b210.(1)1016，1010(2)不相等
(二十四)
1.D2.B3.B4.A5.a2+2ab+9b2，a4-2a2b2+b46.-47.±18
8.89.(1)-x2y3+x3y-x2y(2)2x2-12xy+11y210.(1)2499
(2)1040411.3xy+10y2=3712.013.略
(二十五)
1.C2.D3.A4.-4x4y2，05.-4ab，8ab6.-4，17.-2.03×10-6
8.6，99.-210.10411.x2+4xy-y212.(1)1.5(2)-8x4y-10x3y2+9x2y3
(3)32x3y-8xy3(4)2a2b13.-6x+42=5414.32000个，32倍
15.n2+〔n(n+1)〕2+(n+1)2=〔n(n+1)+1〕2
初一暑假作业本英语答案
一、1～5. BDACC 6～10. CDAAA 11～15. DBACC
二、1～5. ACADC 6～10. CBCBA
三、1～5. CBAAD 6～10. BCDBA 11～15. BDCBD
四、1. wonderful 2. strange 3. surprised 4. memory . 5. through
6.dangerous 7.luckily 8.past 9.brave 10.members
五、1.You can get better grades if you try your best.
2.My brother spent a week teaching me how to play the guitar.
3.We should learn from the hard-working students.
4.We must arrive at the train station before 8.00 tomorrow morning.
5.Don't be afraid of the dog. It never bites.
单选题
D C A C B A C D B A B C B A D
完形填空
1.D 2.B 3.A 4.B 5 。C 6.A 7.D 8.B 9.D 10.C
阅读理解
C A B B A C D
单词拼写
1.none 2.cook 3.poured 4.million 5.Remember 6.dangerous 7.wide 8.weighs 9.scientists 10.frightened 11.exit 12.missed
句型转换
11.How interesting the book is! What an interesting book it is !
12.Are they going to have a picnic this Sunday?
13.Don’t walk the dog every day.
14.Are those pencils Kitty’s?
15.H0w many classrooms are there in your school?
动词填空
1.1earning 2.are searching 3.Knocked 4.to worry 5.hunts 6.to：swim
7.not to chase 8..heard/shouting 9.will;come 10.Smoking
作文
Hi, everyone! The flood washed away our house, but I was lucky enough to stay alive with my family. Today I will tell you my dream home.
My new house is opposite a park and everyday I can hear birds sing happily. There are two rooms in my new home and I share a room with my brother. There is a football field in front of my house. After school, I can play football with my friends there. It is far away from the big cities., so the air is clean. Every it takes me
5 minutes to walk to school.
This is my dream home. I am looking forward to have it one day.
一、 1- 5：CDDDD 6- 10：ADCCD 11- 15 ：BABDC 16- 20：CCABA
二、1 dangerous 2 frightened 3 scientists 4 twentieth 5 towards 6 practices 7 None 8 north-west
三、1 is knocking 2 bought 3 to learn 4 goes 5 playing 6 Don’t forget to take
7 doesn’t rain 8 Listening 9 will begin
四、1 What’s, weight of 2 couldn’t see anything 3 each of , has 4 Don’t take 5 Which book 6 How long 7 different from 8 What did , do
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